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VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent

4.3 4.3 out of 5 stars 12,541 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Greenhouse Ventilation Equipment by VIVOSUN

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D4 4 Inch

Purchase options and add-ons

Mounting Type
Wall Mount
Controller Type
Button Control
Material
Plastic
Number of Blades
3

About this item

  • Powerful Airflow: This VIVOSUN powerful blower with a fan speed of 2500 RPM can create an airflow of 195 CFM; It works efficiently in ventilating grow tents, transferring heat or cool rooms, circulating fresh air, as well as controlling proper humidity, temperature, and air quality for your grow area
  • Quiet Operation: Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB, which does not have any harm to your health and will not disturb your work
  • Safety Protection: The motor is ETL listed and features an automatic reset function to prevent overheating or other safety issues; The electrical junction box is made from flame-retardant components for fireproofing
  • Simple Hookup: The flanges on both the intake and exhaust ends are simple to assemble with the vent hose by locking tabs; A cord of 5.9-feet long for hassle-free setup; The housing, even the impeller and blades, are easy to detach for cleaning and maintenance
  • Wide Applications: It can improve airflow to reduce humidity, block odors, and lower temperatures in grow rooms, basements, or kitchens

Customer ratings by feature

Light weight
4.7 4.7
Easy to install
4.4 4.4
Value for money
3.9 3.9
Noise level
3.8 3.8
Make it a bundle
We found 3 bundles with this item:
VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent

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$25.49
Get it as soon as Tuesday, Apr 2
In Stock
Sold by VIVOSUN and ships from Amazon Fulfillment.
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$13.99
Get it as soon as Tuesday, Apr 2
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Sold by AC Infinity and ships from Amazon Fulfillment.
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Product Description

1
3
4
5

Does this have a brushless motor?

Yes, it has a brushless motor.

What is the noise level in dB?

The noise level for this fan is 30 dB the maximum.

More Choices

1

4 Inch Inline Fan

2

4 Inch Inline Fan Combo

3

4 Inch Inline Fan Kit

4

4 Inch Inline Fan Combo

5

4 Inch Inline Fan Combo

6

4 Inch Inline Fan Combo

7

4 Inch Inline Fan Combo

Customer Reviews
4.3 out of 5 stars
12,541
4.4 out of 5 stars
7,807
4.5 out of 5 stars
2,445
4.4 out of 5 stars
7,807
4.6 out of 5 stars
1,623
4.4 out of 5 stars
5,699
4.4 out of 5 stars
6,936
Size
4 Inch 4 Inch 4 Inch 4 Inch 4 Inch 4 Inch 4 Inch
Material
Plastic Metal Plastic; Metal Metal Plastic; Metal Metal Plastic; Metal
Air Flow
195 CFM 203 CFM 190 CFM 203 CFM 190 CFM 203 CFM 190 CFM
Fan Speed
2500 RPM 2500 RPM 2300 RPM 2500 RPM 2300 RPM 2500 RPM 2300 RPM
Noise Level
30 dB 49 dB 30 dB 49 dB 30 dB 49 dB 30 dB
Features
Powerful Airflow; Low Noise Powerful Airflow; Good Filter Powerful Airflow; Low Noise Powerful Airflow; Good Filter Powerful Airflow; Low Noise Powerful Airflow; Good Filter Powerful Airflow; Low Noise

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Warranty & Support

Product Warranty: For warranty information about this product, please click here

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VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent


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VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent
VIVOSUN D4 4 Inch 195 CFM Inline Duct Ventilation Fan HVAC Vent Blower for Hydroponics Grow Tent
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Price-41% $25.49
List:$42.99
-10% $30.60
Typical:$33.99
$44.99$22.99$69.99-25% $29.99
List:$39.99
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Wednesday, Apr 3
Get it as soon as Wednesday, Apr 3
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Customer Ratings
Noise level
3.8
4.2
4.3
4.0
3.9
4.1
Value for money
3.9
3.6
4.1
4.5
3.6
Suction power
3.6
3.7
3.0
4.1
3.3
Easy to install
4.4
4.3
4.6
4.5
Longevity
3.0
4.2
3.6
Sold By
VIVOSUN
Amazon.com
Amazon.com
Amazon.com
AC Infinity
VIVOSUN
material
Plastic
Plastic
Speed Controller
Plastic
controller type
Button Control
Button Control
Button Control
Button Control
Button Control
mounting type
Wall Mount
Wall Mount
Wall Mount
Clip On
wattage
28 watts
28 watts
59 watts
7.2 watts
20 watts
voltage
120 volts
120 volts
120 volts
120 volts
110 volts
number of blades
3
5
10
3

Customer reviews

4.3 out of 5 stars
4.3 out of 5
12,541 global ratings

Customers say

Customers like the ease of installation of the fan. For example, they mention it's super easy to install and straightforward. That said, opinions are mixed on durability, performance, noise, air flow, quality, fit, and suction.

AI-generated from the text of customer reviews

65 customers mention58 positive7 negative

Customers find the installation of the fan to be easy and straightforward. They mention that the ducting and mounting the fan were both easy and simple. Some customers also mention that it connects to their laser cutter to extract fumes, and that it mounts easily. Overall, most are happy with the ease of installation and use of the product.

"...So far it works well, it’s very quiet and was super easy to hook up to my existing tube...." Read more

"...I am using a smart outlet to control turning the power on and off. Its simple and easy to use and i consider this a great value for what i am using..." Read more

"No setup to speak of, I just unpacked it, hooked up the ventilation hosing and plugged it in...." Read more

"...Easy to install and fairly quiet." Read more

659 customers mention426 positive233 negative

Customers are mixed about the performance of the fan. Some mention that it works pretty well, gets the job done just fine, and is affordable. It works well as an exchanger in a cycle timer, and for constant input or exhaust flow. However, others say that it has very little power, is quiet, and doesn't work well with third-party variable fans.

"This works great and moves a decent amount of air! It works really well as an exchanger in a cycle timer, but also works on a variable fan..." Read more

"...Quiet and efficient and works as intended for the time being...." Read more

"...It's moderately quiet, and effective for very small spaces, but has very little power, if you want to use a filter with it, it needs to be low..." Read more

"...It's been working GREAT for a laser vent for over a year...." Read more

503 customers mention293 positive210 negative

Customers have mixed opinions about the noise of the fan. Some mention that it's moderately quiet, and effective for very small spaces. Others say that it works well but is too noisy, and the sound of the Fan failing is unmistakable.

"...It’s much quieter than other inline fans I have tried, I used this one for a few months as a daily driver without issue...." Read more

"...I have included a video so you can hear how it sounds. Of course, it's muffled a bit, being I captured it from my phone, & recordings always sound..." Read more

"...Quiet and efficient and works as intended for the time being...." Read more

"...It's moderately quiet, and effective for very small spaces, but has very little power, if you want to use a filter with it, it needs to be low..." Read more

440 customers mention277 positive163 negative

Customers are mixed about the quality of the fan. Some mention it's a pretty good product for the money, while others say it'll reduce the effectiveness of the airflow.

"It's a decent enough fan for ventilation, but not well suited to evacuation...." Read more

"...I'm disappointed. It was a cheapo fan, and i guess you get what you pay for...." Read more

"They’re cheap and work well for a few months. But without fail each one I’ve bought fails within 4-5 months depending on usage...." Read more

"...The price is less than the depot fan and I still think it moves double the air of a depot fan, just not 200cfm in my application." Read more

355 customers mention111 positive244 negative

Customers are mixed about the durability of the fan. Some mention it has quality construction, good bearings, and is strong enough. Others say that it completely falls apart and fails completely. The case splits apart pretty easily, and the blade broke in half.

"...Nothing fixes it. And apparently it completely falls apart and fails completely but I’ve never waited that long - I need a quiet fan and I can’t..." Read more

"...These smaller ones work fine but one gave out within a month on me." Read more

"...Going great still after a few years. I'm about to buy a third one for another project. For the volume of air these move they are fairly quite...." Read more

"...Will do it’s goes great, just didn’t last long." Read more

197 customers mention117 positive80 negative

Customers are mixed about the air flow of the fan. Some mention it has really good airflow, is really quiet, and the bearing is smooth. They say it pulls a lot more air through the enclosure than the built-in fan, and circulates tent air very nicely. However, others say that the airflow wasn't good at all, and barely moves any air.

"This works great and moves a decent amount of air!..." Read more

"...*only* reason I'm marking this fan down is the pressure sensitivity really needs to be mentioned for those using these for temperature control...." Read more

"...put a small clip-on desk fan, and turned this fan off, and the humidity is good again... But now I have to buy antother fan, bc my mushrooms need..." Read more

"Low static pressure. Fairly quiet.I bought this to replace an older 4" vivosun centrifugal fan I've had for several years that got too loud...." Read more

79 customers mention54 positive25 negative

Customers are mixed about the suction of the fan. Some mention it does a good job of suctioning out fumes and expelling them through a vent pipe and out of the enclosure. However, others say that they didn't get sufficient suction with the 4" carbon filter.

"...It does a good job of removing the smoke, just need to work on sealing the enclosure a little more to increase the effectiveness." Read more

"...Because the housing is small, coupled with the fact that it has really good suction, it's pretty loud...." Read more

"...-90.. The humidity would just swirl around the bottom, and not be sucked up to the top like it should... I trouble-shooted, and it's the fan...." Read more

"Quiter than the machine it is attached to. Evacuates smoke quite efficiently." Read more

76 customers mention30 positive46 negative

Customers are mixed about the fit of the fan. Some mention it was the perfect size for their dad's 2x4 grow tent and quiet enough to move the smoke from a 3" PVC system. However, others say that it didn't fit all that tight, the front cover on because it didn’t fit snugly, and the housing is small.

"...is that the connections are closer to 3 3/4” which means the 4” pipe doesn’t fit snug...." Read more

"...It's moderately quiet, and effective for very small spaces, but has very little power, if you want to use a filter with it, it needs to be low..." Read more

"...Because the housing is small, coupled with the fact that it has really good suction, it's pretty loud...." Read more

"...When it arrived, I thought it was missing because the box was so small...." Read more

Works pretty good, housing let's fumes escape.
4 Stars
Works pretty good, housing let's fumes escape.
It works pretty good but the seam on the housing let's some fumes out. I am using it to Ventana CO2 laser foe engraving leather, which puts off the smell of burnt hair. It gets rid of about 80-90% of the fumes, but I could still smell it and after inspecting the setup I could feel a slight 'breeze' coming from the seam in the housing which is where the smell is coming from. That is a little bit annoying because a I'll have to unhook the vent ducting and run a.bead of caulk.or something around that seam. I would have done that before installing it if I would have known it would be an issue. I don't know how anyone else hasn't mentioned this. Anyway, something to be aware of. I didn't have a window to vent it out of since I'm in a commercial space that doesn't have an opening window. I removed my bathroom fan and used a reducing connector for ducting that I got from the hardware store and then plugged the fan into the plug so I can switch it from the switch on the wall.
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Top reviews from the United States

Reviewed in the United States on January 27, 2024
Size: D4 4 InchVerified Purchase
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5.0 out of 5 stars Great budget Inline fan!
Reviewed in the United States on January 27, 2024
This works great and moves a decent amount of air! It works really well as an exchanger in a cycle timer, but also works on a variable fan controller if you want a constant but mellow exhaust speed.

It’s much quieter than other inline fans I have tried, I used this one for a few months as a daily driver without issue. The cord is approximately 6’ long and works well with most tent setups. I have since upgraded to the app controlled fans and lights from vivosun.

If you happen to have any issues.. Customer service is always great with this company as well!
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3 people found this helpful
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Reviewed in the United States on March 12, 2024
Size: D4 4 InchVerified Purchase
Reviewed in the United States on January 3, 2024
Size: D4 4 InchVerified Purchase
One person found this helpful
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Reviewed in the United States on February 26, 2024
Size: D4 4 InchVerified Purchase
5 people found this helpful
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Reviewed in the United States on August 31, 2021
Size: D4 4 InchVerified Purchase
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5.0 out of 5 stars Pulls out the large video card heat
Reviewed in the United States on August 31, 2021
In making this next generation gaming computer, with an 8 gig Radeon video card among other things, the blowing or ambient heat from the computer is enough to heat a small room. I can & have used it in the winter to do that. Well, I was running something, & it was on over night.

In the summer, I want to expel this heat so I can stand to be in there, gaming. Trying to get the right CFM to noise ratio can be difficult in a computer environment, in a small room. Mainly home based. This extractor from VivoSun is a great one.

It's not quiet, & sometimes I can't wait to turn it off, but it pulls out the heat like I want it to, well, enough to keep the temps nice. Generally, the CPU's radiator will get up to about 107°F-113°F (42-45°C ) with this 195 CFM fan bringing it to (32°C-37°C) 89.6°F-98.6°F & it's pulling most of that heat out the window.
I included a snap of some general video editing temps with out the VivoSun, & the bottom one is after it got going. The temps dropped in about a minute, which is super fast! When I "forget" to turn it on, & the computer gets up to about 45°C, it takes the exhaust about eight odd minutes to bring it down to 35°C & about a full 10 minutes to level off at 33°F.

So that's not bad really. I have tried a small CFM unit (106 CFM), but the pull just wasn't there. I have included a video so you can hear how it sounds. Of course, it's muffled a bit, being I captured it from my phone, & recordings always sound different than your ear. If I can, I'll try to include a video of the room's cooling turbo fan so you can hear them both.

Not bad, but not whisper quiet. They don't claim to be, either, so nothing on them. If I bring the tower down to the floor, or move it away, that will change things a whole bunch.
If you're thinking about adding an external cooler to your gaming/video unit, I strongly suggest VivoSun. The product works great, & they are on top of any blips you may have. In fact, they helped me upgrade to this unit with a matter of an e-mail. That's AWESOMENESS to the 10th!

Now I don't have to "worry" about leaving the computer on for a bit while I'm in the middle of a game, or when I step away for a moment. I know that this exhaust fan is going to keep the system cool.

Bottom line, this exhaust fan works very well sealed to my tower's top fan port. So much that I will be adding a smaller one to my 3D printer to better help regulate the temps in that case.
I did need to purchase dryer duct (hose), & a 4" inlet pipe. The aluminum tape & clamps came with the dryer ducting. I used some sticky sound dampening on the I/O exit panel to better direct the air flow being pulled up & out.

Also, it has holes in the "feet" for more secure mounting. I just hot glued it.
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18 people found this helpful
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Reviewed in the United States on November 27, 2022
Size: D4 4 InchVerified Purchase
17 people found this helpful
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Reviewed in the United States on February 22, 2024
Size: D4 4 InchVerified Purchase
Reviewed in the United States on March 12, 2024
Size: D4 4 InchVerified Purchase

Top reviews from other countries

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Koral
5.0 out of 5 stars Surprisingly powerful
Reviewed in Canada on February 2, 2024
Size: D4 4 InchVerified Purchase
2 people found this helpful
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Gerardo Martmnez
5.0 out of 5 stars Buena porencia
Reviewed in Mexico on April 27, 2023
Size: D4 4 InchVerified Purchase
aregee
4.0 out of 5 stars Needs more power.
Reviewed in Canada on April 23, 2023
Size: D4 4 InchVerified Purchase
One person found this helpful
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Cesar C.
5.0 out of 5 stars buen extractor
Reviewed in Mexico on September 6, 2021
Size: D4 4 InchVerified Purchase
Hector
5.0 out of 5 stars Buen producto
Reviewed in Mexico on December 5, 2020
Size: D4 4 InchVerified Purchase